package edu.ptu.shortlink.project.dao.mapper;

import com.baomidou.mybatisplus.core.mapper.BaseMapper;
import edu.ptu.shortlink.project.dao.entity.LinkOsStatsDO;
import edu.ptu.shortlink.project.dto.req.ShortLinkGroupStatsReqDTO;
import edu.ptu.shortlink.project.dto.req.ShortLinkStatsReqDTO;
import org.apache.ibatis.annotations.Insert;
import org.apache.ibatis.annotations.Param;
import org.apache.ibatis.annotations.Select;

import java.util.HashMap;
import java.util.List;

/**
 * @BelongsProject: shortlink
 * @BelongsPackage: edu.ptu.shortlink.project.dao.mapper
 * @Author: HYJ
 * @CreateTime: 2025-05-07  06:00
 * @Description: 短链操作系统统计持久层接口
 * @Version: 1.0
 */
public interface LinkOsStatsMapper extends BaseMapper<LinkOsStatsDO> {
    @Insert("INSERT INTO t_link_os_stats (full_short_url, gid, date, cnt, os,create_time, update_time, del_flag) "
            + "VALUES (#{linkOsStatsDO.fullShortUrl}, #{linkOsStatsDO.gid}, #{linkOsStatsDO.date}, #{linkOsStatsDO.cnt}, #{linkOsStatsDO.os}, NOW(), NOW(), 0) "
            + "ON DUPLICATE KEY UPDATE cnt = cnt + 1")
    void shortLinkOsStatsInc(@Param("linkOsStatsDO") LinkOsStatsDO linkOsStatsDO);

    /**
     * 根据短链接获取指定日期内操作系统统计数据
     */
    @Select("SELECT " +
            "    tlos.os, " +
            "    SUM(tlos.cnt) AS count " +
            "FROM " +
            "    t_link tl INNER JOIN " +
            "    t_link_os_stats tlos ON tl.full_short_url = tlos.full_short_url " +
            "WHERE " +
            "    tlos.full_short_url = #{param.fullShortUrl} " +
            "    AND tl.gid = #{param.gid} " +
            "    AND tl.del_flag = '0' " +
            "    AND tl.enable_status = #{param.enableStatus} " +
            "    AND tlos.date BETWEEN #{param.startDate} and #{param.endDate} " +
            "GROUP BY " +
            "    tlos.full_short_url, tl.gid, tlos.os;")
    List<HashMap<String, Object>> listOsStatsByShortLink(@Param("param") ShortLinkStatsReqDTO requestParam);

    /**
     * 根据分组获取指定日期内操作系统统计数据
     */
    @Select("SELECT " +
            "    tlos.os, " +
            "    SUM(tlos.cnt) AS count " +
            "FROM " +
            "    t_link tl INNER JOIN " +
            "    t_link_os_stats tlos ON tl.full_short_url = tlos.full_short_url " +
            "WHERE " +
            "    tlos.gid = #{params.gid} " +
            "    AND tlos.date BETWEEN #{params.startDate} and #{params.endDate} " +
            "    AND tl.del_flag = '0' " +
            "    AND tl.enable_status = '0' " +
            "GROUP BY " +
            "    tlos.gid, tlos.os;")
    List<HashMap<String, Object>> listOsStatsByGroup(@Param("params") ShortLinkGroupStatsReqDTO requestParam);
}
